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18NM NW Galveston TX

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 3:11 pm CST Jan 22, 2026
Forecast Valid: 5pm CST Jan 22, 2026-6pm CST Jan 29, 2026

...DENSE FOG ADVISORY IN EFFECT UNTIL 6 AM CST FRIDAY...

Tonight

ESE wind 5 to 10 kt. Patchy dense fog. Seas 1 ft or less.

Friday

ENE wind 10 to 15 kt. A chance of showers, mainly between 9am and 10am. Widespread dense fog, mainly between 8am and 9am. Seas 1 ft or less.

Friday Night

E wind 15 to 20 kt. A chance of showers, mainly after midnight. Seas 1 to 2 ft.

Saturday

E wind around 15 kt. Showers and possibly a thunderstorm. Seas around 2 ft.

Saturday Night

NE wind 15 to 20 kt becoming NNW after midnight. Showers and possibly a thunderstorm. Seas 1 to 2 ft.

Sunday

NNW wind 15 to 20 kt. Showers likely and possibly a thunderstorm before 9am, then rain likely, mainly between 9am and noon. Seas around 1 ft.

Sunday Night

N wind around 20 kt, with gusts as high as 25 kt. Partly cloudy. Seas around 1 ft.

Monday

N wind 10 to 20 kt. Sunny. Seas around 1 ft.

Monday Night

N wind around 10 kt becoming ENE after midnight. Mostly clear. Seas 1 ft or less.

*Notices:

This forecast is for a single location. For safety concerns, mariners should be aware of the weather over a larger area. Forecast information for a larger area can be found within the zone forecast and the NDFD graphics.
The forecast conditions at a particular point may not exceed the criteria of a Small Craft Advisory, Gale, Storm etc. These watches/warnings/advisories are issued for the entire zone in which the point resides and mariners should act accordingly.